Afwillite
id:
afwillite-300-8731850
title:
Afwillite
text:
Afwillite is a calcium hydroxide nesosilicate mineral with formula Ca3(SiO3OH)2·2H2O. It occurs as glassy, colorless to white prismatic monoclinic crystals. Its Mohs scale hardness is between 3 and 4. It occurs as an alteration mineral in contact metamorphism of limestone. It occurs in association with apophyllite, natrolite, thaumasite, merwinite, spurrite, gehlenite, ettringite,
portlandite, hillebrandite, foshagite, brucite and calcite. It was first described in 1925 for an occurrence in the
brand slug:
wiki
category slug:
encyclopedia
description:
Nesosilicate alteration mineral also sometimes found in hydrated cement paste
original url:
https://en.wikipedia.org/wiki/Afwillite
date created:
date modified:
2024-01-09T20:06:30Z
main entity:
{"identifier":"Q2518702","url":"https://www.wikidata.org/entity/Q2518702"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/b/bb/Afwillite_2_on_rock_Hydrous_calcium_silicate_Crestmore_Quarry_Riverside_California_2068.jpg","width":700,"height":700}
fields total:
13
integrity:
15